4820-00-611-4582

Find complete technical information, availability, and procurement data for: 4820-00-611-4582
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-611-4582

Item Name Code

05488

Assigment Date

01/01/1961 (65 years ago)

poppet flow control device, plain (pipe) 1st end connection style, right-hand 1st end thread direction, 0.750 inches 1st end nominal pipe size accommodated, spring disk loading method

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Nominal Pipe Size Accommodated: 0.750 inches 1st end
Thread Direction: right-hand 1st end
Flow Control Device: poppet
Disk Loading Method: spring
Connection Style: plain (pipe) 1st end
Valve Operation Method: automatic or manual
Connection Type: threaded external pipe 1st end
Features Provided: valve stem lock shield
Maximum Operating Pressure: 125.0 pounds per square inch 1st response
Maximum Operating Pressure: 250.0 pounds per square inch 2nd response
Maximum Operating Pressure: 250.0 pounds per square inch 3rd response
Nominal Thread Size: 0.750 inches 1st end
Opening Pressure Setting: 125.0 pounds per square inch
Material: copper alloy overall
Media For Which Designed: air 2nd response
Media For Which Designed: gas, inert 3rd response
Media For Which Designed: steam 1st response
Style Designator: straight thru
Thread Series Designator: npt 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4310-00-601-8507	No Name Available	01/01/1960

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
VAL787	Safety Relief Valve
VAL996	Safety Relief Valve
VAL996C	Safety Relief Valve

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4820-00-611-4582?

The FSCG of the NSN 4820-00-611-4582 is 4820

Does the NSN 4820-00-611-4582 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-611-4582 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 4820-00-611-4582 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-611-4582 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 4820-00-611-4582 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961